| The effect of nitrous oxide on intracuff pressure of the size 2 ProSeal Laryngeal Mask Airway. | |
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MedLine Citation:
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PMID: 21489770 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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STUDY OBJECTIVE: To investigate intracuff pressure changes in the ProSeal Laryngeal Mask Airway (PLMA) during 50% nitrous oxide (N(2)O) anesthesia. DESIGN: Prospective, randomized study. SETTING: Operating room of a university-affiliated hospital. PATIENTS: 40 ASA 1 and 2 children, aged 2 to 6 years, weighing 10-20 kg, undergoing elective inguinal herniorrhaphy with general anesthesia. INTERVENTIONS AND MEASUREMENTS: Patients were assigned to two groups (n = 20). Patients in Group A were anesthetized with 50% N(2)O in oxygen and sevoflurane, while patients in Group B were anesthetized with 50% air in oxygen and sevoflurane. PLMA cuffs were inflated with air. PLMA intracuff pressures starting from a baseline pressure of 30 mmHg were recorded using a pressure transducer for 30 minutes. The occurrence of postoperative throat discomfort was recorded. MAIN RESULTS: In Group A, who inhaled 50% N(2)O for 30 minutes, intracuff pressures reached 86.7 ± 10.4 mmHg, while in Group B, who inhaled 50% air for 30 minutes, intracuff pressures were 29.7 ± 1.0 mmHg. The postoperative throat complication rate in Group A was 45%, which was significantly higher than in Group B (5%). CONCLUSION: PLMA intracuff pressure increased significantly during 50% N(2)O anesthesia. The children's postoperative throat complication rate also was increased. |
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Authors:
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Ben-Zhen Chen; Li-Hui Luo; Lu Jiang; Ru-Rong Wang; Jingxia Li; Ling Tan |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-4-11 |
Journal Detail:
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Title: Journal of clinical anesthesia Volume: - ISSN: 1873-4529 ISO Abbreviation: - Publication Date: 2011 Apr |
Date Detail:
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Created Date: 2011-4-14 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8812166 Medline TA: J Clin Anesth Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 Elsevier Inc. All rights reserved. |
Affiliation:
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Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041, China; Department of Anesthesiology, Sichuan Provincial Hospital for Women and Children, Chengdu, Sichuan, 610031, China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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